Cordless wireless telephone set and telephone system and wireless conference telephone system using the same

A technology of wireless telephones and cordless telephones, applied in the field of telephones, can solve problems such as inability to achieve global communication, and achieve the effects of freedom of use, anti-theft use, and low cost

Inactive Publication Date: 2007-09-19
SHENZHEN TAIFENG NETWORK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the shortcoming of the digital cordless phone is also obvious, that is, it cannot be separated from the landline. Although it can achieve a certain distance of cordless tr

Method used

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  • Cordless wireless telephone set and telephone system and wireless conference telephone system using the same
  • Cordless wireless telephone set and telephone system and wireless conference telephone system using the same

Examples

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Example Embodiment

[0012] Referring to Figure 1, the cordless wireless telephone of the present invention includes a cordless telephone antenna, a cordless telephone transmitter and receiver module, a microprocessor, a wireless transmitter and receiver module, and a wireless antenna, which are connected in sequence, and also includes calls connected to the microprocessor respectively. A circuit, an input module, a display module, an incoming call prompt generating circuit, and a call device connected to the call circuit. The cordless wireless phone also includes a cordless headset wirelessly connected to the cordless phone antenna via an antenna. The wireless transmitting and receiving module is a GSM wireless transmitting and receiving module, a CDMA wireless transmitting and receiving module or a PHS wireless transmitting and receiving module. The frequency band of the cordless phone transmitter and receiver module is 2.4GHZ, 45-48MHZ, 900MHZ, 46-49MHZ, 1.8GHZ or 1.9GHZ. The input module is a touc...

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PUM

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Abstract

The present invention provides a wireless walkie-talkie, which includes a walkie-talkie antenna, a walkie-talkie sending/receiving module, a microprocessor, a wireless sending/receiving module and a wireless antenna; the wireless walkie-talkie also includes a communication circuit connected with the microprocessor, an input module, a display module, a generating circuit for incoming calls promotion and a communication device connected with the communication circuit. The invention also provides a telephone system and a wireless conference telephone system with the use of this wireless walkie-talkie. The wireless walkie-talkie is applicable to families which have difficulties to use cables or to certain families and enterprises used as fixed telephones, especially to the communication between buildings, the wireless walkie-talkie can perform functions of multi-use for one telephone, multi-side communication, mutual communication with priority to a desk telephone and realization of wireless communication.

Description

【Technical field】 [0001] The invention relates to a telephone set, in particular to a cordless wireless telephone set, a telephone system and a wireless conference telephone system using the same. 【Background technique】 [0002] The GSM digital mobile communication system was designed by a standardization committee composed of major European telecommunication operators and manufacturers. It is developed on the basis of the cellular system. Including several frequency bands such as GSM900MHz, GSM1800MHz and GSM1900MHz. The GSM system has several important features: good anti-theft capability, large network capacity, rich number resources, clear calls, strong stability, less susceptible to interference, sensitive information, less call dead spots, low power consumption of mobile phones, etc. GSM has absolute advantages, but there are still some shortcomings, that is, it cannot be used for multiple purposes, multi-party calls, and the intercom function based on landlines canno...

Claims

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Application Information

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IPC IPC(8): H04M1/725H04M1/715
Inventor 邵华李剑王铸王建鸿黄贤芳
Owner SHENZHEN TAIFENG NETWORK TECH
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